Water pipe



FIG. 1 is a front elevational view of a water pipe, showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a sectional view thereof, taken along line 6--6 of FIG. 2. 

The ornamental design for a water pipe, substantially as shown and described. 